Title: Be short, accurate, and unambiguous; Give your paper a distinct personality; Begin with the subject of the study.
Introduction：What is known; What is unknown; Why we did this study?
Methods：Participants, subjects; Measurements; Outcomes and explanatory variables; Statistical methods.
Results：Sample characteristics; Univariate yses; Bivariate yses; Multivariate yses.
Tables and figures：No more than six tables or figures; Use Table 1 for sample characteristics (no P values); Put most important findings in a figure.
Discussion：State what you found; Outline the strengths and limitations of the study; Discuss the relevance to current literature; Outline your implications with a clear "So what?" and "Where now?"
Refrences：All citations must be accurate; Include only the most important, most rigorous, and most recent literature; Quote only published journal articles or books; Never quote "second hand"; Cite only 20-35 references.
Formatting：Include the title, author, page numbers, etc. in headers and footers; Start each section on a new page; Format titles and subtitles consistently; Comply with "Instructions to authors".
